For it to be a solution, it has to satisfy both inequalities...
subbing in (-4,-1)
2x + y < -5 -x + y > 0
2(-4) - 1 < - 5 -(-4) - 1 > 0
-8 - 1 < -5 4 - 1 > 0
-9 < -5.....true 3 > 0....true
solution is (-4,-1)
9.8 is the middle number which is the median
The lines are perpendicular.
Answer:
90 degrees
Step-by-step explanation
This is because the graph quadrant shape goes in a C. 1 is the top right and 4 is the top left.